Objects and Classes - Part 2

Quiz

• Are the Strings Immutable? Why?
• What is a static attribute and method?, provide a context and give and example.
• How works the == symbol?
• What is the difference between == and equals?
• How works the toString method before to be overriding?
• What is the difference between String s = "foo" and String s = new String("foo")
• How can you determine the class that an object belongs to?
• What is the purpose of the final key word?.